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You conduct thorough smart contract reviews and audits, identify security issues and vulnerabilities, develop test cases, analyze code, document risks, and propose mitigation solutions. You also research and implement…
You develop, design, and implement high-impact platform features, take ownership of products and features, maintain infrastructure, participate in code reviews and task estimations, and stay current with emerging…
You will conduct security research and analyze system designs, specifications, codebases, tests, comments, and dependencies for vulnerabilities. You will document findings, recommend mitigations, develop security tools…
Senior Blockchain Developer Remote | Full-Time | $240,000–$260,000 USD Build the Future of Web3 Are you passionate about blockchain technology and excited by the opportunity to build products that can transform…
You will join a curated network of freelance blockchain engineers and contribute your expertise to client projects. You will focus on engineering work while project structure, client relationships, sales, and contracts…
Design and build scalable, high-performance backend systems using Node.js, ExpressJS, and Solidity. Lead architecture discussions, improve reliability and security, scale infrastructure, enhance APIs, optimize…
Build and scale backend platform architecture using NodeJS, ExpressJS, and Solidity. Assess and mitigate security risks, understand blockchain APIs, optimize settlement algorithms, and establish processes for deploying…
Build and scale Skeps's platform architecture using Node.js, Express.js, Ethereum blockchain, and Solidity. The role covers platform security, infrastructure scaling, API design, settlement optimization, and…
You will develop software solutions using blockchain technology, including smart contracts across different blockchains. You will apply your knowledge of cryptography and smart-contract vulnerabilities, collaborate…
You will audit Move modules, protocol code, and consensus and networking layers for vulnerabilities. You will build security tooling, lead formal verification and threat-modeling work, manage bug bounty triage,…
Analyzes Web3 trends, tokenomics, and digital asset regulations to shape product strategy and investment decisions for a Singapore-based energy trading platform.
Designs and optimizes manufacturing processes for medical devices in a 12-month contract role, focusing on compliance, efficiency, and safety in a healthcare manufacturing environment.
Designs and builds AI/ML models to automate banking processes and enhance customer experiences using Python, TensorFlow, and cloud platforms.
Senior Security Engineer protects Nu's crypto products by simulating attacks, embedding security into development, and ensuring regulatory compliance, using blockchain and AI tools.
Senior Security Engineer focused on blockchain and crypto products at a leading Latin American digital bank, designing secure systems, running penetration tests, and ensuring regulatory compliance.
Builds and maintains blockchain oracle infrastructure in a Polish company, working with distributed systems, cloud services, and backend technologies to deliver secure, low-latency data feeds for blockchain applications.
Security Engineer at a Berlin-based lab performing hands-on audits of enterprise, Web3, and AI systems, building security tooling, and advising clients on secure development practices.
About Aetium Aetium is a climate-tech company and We are building the future of sustainable mobility platform called "EcoWheel". We help reduce carbon emissions through an e-bike rental platform powered by…
ABOUT US We tokenize institutional real estate ($50M+ properties) into ERC-3643 security tokens. Regulated under FINMA (Switzerland) and ADGM (UAE). We enable fractional ownership, secondary trading, and DeFi…
Remote (Worldwide) • Contract • $50–150/hr We are building the first blockchain-based pet ecosystem in Brazil. 160M pets. $60B market. Zero blockchain infrastructure today. Web2 platform is 75% complete. Now building…
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